<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>圆圈</title>
		<link rel="stylesheet" type="text/css" href="demo1.css">
	</head>
	<body>
		<div class="ring">
			Loading
			<span></span>
		</div>
	</body>
</html>
